:root {
    --primary-color: #5865F2;
    --secondary-color: #6C63FF;
    --accent-color: #9EA4FF;
    --dark-bg: #050812;
    --card-bg: rgba(15, 20, 40, 0.2);
    --text-color: #ffffff;
    --light-text: #b0b3c5;
    --input-text: #ffffff;
    --error-color: #ff4757;
    --error-bg: rgba(255, 71, 87, 0.1);
}

body {
    min-height: 100vh;
    margin: 0;
    display: flex;
    flex-direction: column;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    background-color: #050812;
    /* Fallback */
}

spline-viewer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    transform: scale(1.5);
    /* Zoom in */
}

/* Wrapper to center the login card in the remaining space */
.auth-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* Brand header bar (top) */
.brand-bar {
    background: rgba(5, 8, 18, 0.92);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.brand-bar .container {
    display: flex;
    justify-content: flex-end;
}

.brand-title {
    color: #f5f7fb;
    font-weight: 600;
    font-size: 1.1rem;
}

.brand-logo {
    width: 40px;
    height: 40px;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, .4));
}

/* إزالة حركة البطاقة عند التحويم */
.login-card {
    border-radius: 16px;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.5),
        0 4px 16px rgba(0, 0, 0, 0.3),
        0 2px 8px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        0 0 0 1px rgba(92, 101, 242, 0.2);
    overflow: hidden;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
    max-width: 400px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-card:hover {
    transform: translateY(-2px);
    box-shadow:
        0 12px 40px rgba(0, 0, 0, 0.6),
        0 6px 20px rgba(0, 0, 0, 0.4),
        0 3px 10px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.15),
        0 0 0 1px rgba(92, 101, 242, 0.3);
}

.card-header {
    background: var(--card-bg);
    color: var(--primary-color);
    text-align: center;
    padding: 15px;
    border-bottom: 1px solid rgba(92, 101, 242, 0.2);
}

.logo-container {
    margin-bottom: 8px;
    position: relative;
}

.logo {
    height: 50px;
    filter: drop-shadow(0 0 6px rgba(120, 122, 255, 0.3));
}

.card-body {
    padding: 20px !important;
}

.form-control {
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid rgba(158, 164, 255, 0.3);
    background: rgba(30, 35, 60, 0.7);
    color: var(--input-text);
    transition: all 0.3s;
    font-size: 0.85rem;
    height: 38px;
}

.form-control:focus {
    box-shadow: 0 0 0 2px rgba(120, 122, 255, 0.3);
    border-color: var(--primary-color);
    background: rgba(40, 45, 70, 0.8);
    color: var(--input-text);
}

.form-control::placeholder {
    color: rgba(200, 200, 220, 0.6);
    font-size: 0.8rem;
}

/* تنسيق الحقول عند وجود خطأ */
.form-control.error {
    border-color: var(--error-color);
    background: var(--error-bg);
}

.form-control.error:focus {
    box-shadow: 0 0 0 2px rgba(255, 71, 87, 0.3);
}

.error-message {
    color: var(--error-color);
    font-size: 0.75rem;
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.input-group-text {
    background: rgba(88, 101, 242, 0.2);
    color: var(--accent-color);
    border: 1px solid rgba(158, 164, 255, 0.3);
    border-radius: 0 6px 6px 0;
    padding: 0 10px;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.input-group-text.error {
    border-color: var(--error-color);
    background: rgba(255, 71, 87, 0.2);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    padding: 8px;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 3px 8px rgba(92, 101, 242, 0.3);
    font-size: 0.85rem;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    box-shadow: 0 4px 10px rgba(92, 101, 242, 0.4);
}

.form-label {
    font-size: 0.85rem;
    margin-bottom: 6px;
    color: var(--accent-color);
}

.divider {
    display: flex;
    align-items: center;
    margin: 12px 0;
}

.divider::before,
.divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(158, 164, 255, 0.3) 50%, transparent 100%);
}

.divider span {
    padding: 0 10px;
    color: var(--light-text);
    font-size: 0.8rem;
}

.social-login {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 12px;
}

.social-btn {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    transition: all 0.3s;
    background: rgba(158, 164, 255, 0.2);
    border: 1px solid rgba(158, 164, 255, 0.3);
}

.social-btn:hover {
    background: rgba(88, 101, 242, 0.3);
    border-color: var(--primary-color);
}

.additional-links {
    text-align: center;
    margin-top: 12px;
}

.additional-links a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.8rem;
}

.additional-links a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.form-check-input {
    background-color: rgba(15, 20, 40, 0.6);
    border: 1px solid rgba(158, 164, 255, 0.3);
    width: 0.9rem;
    height: 0.9rem;
    margin-top: 0.15rem;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-label {
    font-size: 0.8rem;
    color: var(--light-text);
}

.form-text a {
    color: var(--accent-color);
    font-size: 0.75rem;
}

.form-text a:hover {
    color: var(--primary-color);
}

.icon-active {
    color: var(--primary-color);
    text-shadow: 0 0 6px rgba(120, 122, 255, 0.4);
}

h3 {
    font-size: 1.1rem;
    margin-bottom: 0;
    color: var(--primary-color);
    text-shadow: 0 0 6px rgba(120, 122, 255, 0.2);
}

/* تحسين رؤية النص في الحقول */
.input-group input {
    color: #ffffff !important;
}

.input-group input::placeholder {
    color: rgba(200, 200, 220, 0.7) !important;
}

/* رسالة الخطأ العامة */
.alert-danger {
    background-color: var(--error-bg);
    border-color: var(--error-color);
    color: var(--error-color);
    border-radius: 6px;
    margin-bottom: 12px;
    padding: 8px 12px;
    font-size: 0.8rem;
}